Operating Systems

Presentation

Topic about: Operating Systems

What OS does?

An operating system performs basic tasks such as,

• controlling and allocating memory,
• prioritizing system requests,
• controlling input and output devices,
• facilitating networking and
• managing file systems.

Structure of Operating System:

Application Programs

System Programs

Software (Operating System)

HARDWARE

Structure of Operating System

• The structure of OS consists of 4 layers:
• Hardware

Hardware consists of CPU, Main memory, I/O Devices, etc,

• Software (Operating System)

Software includes process management routines, memory management routines, I/O control routines, file management routines.